Both phones cover the connectivity essentials well — 5G, NFC, USB-C, GPS, Bluetooth, and Wi-Fi 5 — but several meaningful differences emerge on closer inspection. The Galaxy A36 5G adds Wi-Fi 6 (802.11ax) support, which brings faster throughput, lower latency, and significantly better performance in congested network environments such as offices or public spaces. The A5 Energy tops out at Wi-Fi 5, making it the less future-proof option as Wi-Fi 6 routers become the standard. On the SIM side, the A36 5G is considerably more flexible, supporting dual physical SIMs and dual eSIMs, while the A5 Energy is limited to two physical SIM slots with no eSIM capability — a notable gap for frequent travelers or users who manage work and personal lines digitally.
Sensor coverage also splits the two devices. The A36 5G includes a gyroscope, which is essential for accurate screen rotation, augmented reality apps, and immersive gaming; the A5 Energy lacks one entirely. Conversely, the A5 Energy offers an external memory slot for expandable storage — absent on the A36 5G — which is a practical advantage for users who want to grow their storage without relying on cloud services. On download speed, the A5 Energy's 3300 Mbits/s ceiling slightly edges the A36 5G's 2900 Mbits/s, though both figures exceed what current real-world 5G networks typically deliver.
Taken together, this category is a split decision. The Galaxy A36 5G leads on wireless networking quality, eSIM flexibility, and sensor capability, while the Oppo A5 Energy counters with expandable storage and a marginally higher peak download specification. Users who prioritize modern connectivity and software-driven SIM management will lean toward the A36 5G; those who want physical storage expansion will find the A5 Energy more accommodating.